Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '5e82a90eb2753e1ad741605fdda8e64b5374c5ab1cb7a3e901665aabfa5061a2' 
  AND token = 'wKhp42higXCJ1n0p8yp0fl/TL1gLC0ug8P7ckueng7E=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00040

JSON explain

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