INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '6340a31b091550b0b1ce1926abbf69c56bba7d58b397b69a138a2aa8f0ecb515', 
    '71KV3OVnBKTPeE/9ZUuSKxZG8u6t4gQydWoxCUomWyw=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00021

Result

int(1)