INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '51571706399aa99f4ad6b2ad79294f2a918e822015077ed2c793761c9d35996f', 
    'FhPj5l64YMDX85W6cSh5qG1eHh/LsNVU2K7SqOXO84s=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00030

Result

int(1)