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SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = '5c34c085b7f24f9c156a2c9fe721c098f2107cbd4008f9b12542d4d4029fdb30' 
  AND token = 'ory80vuolhKDnOu2nzh7oin7VRToDaaobER8/3aEtps=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00030

JSON explain

{
  "query_block": {
    "select_id": 1,
    "message": "no matching row in const table"
  }
}