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SELECT 
  1 
FROM 
  vi_lock_keys 
WHERE 
  key_id = '073a7969329ae97e685c42ebe1841f511306672be7afc0c52fde2a28eccc38e6' 
  AND token = 'CzL9X/8jf4OySPeTVsL9N1E7Ae9eqXrV0MXByM3R/iM=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00010

JSON explain

{
  "query_block": {
    "select_id": 1,
    "table": {
      "message": "Impossible WHERE noticed after reading const tables"
    }
  }
}