UPDATE 
  vi_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'gUVRgklA592MpJwnU1awZFzL0p7gpMZPb7tiUYuhijM=' 
WHERE 
  key_id = 'e926267511ecd8685f467e73d1d6ae2423f19e7a23e18b71fd23b1caf33627be' 
  AND (
    token = 'gUVRgklA592MpJwnU1awZFzL0p7gpMZPb7tiUYuhijM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )