INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '21c5fc7dfa30cace55040da77a8771bbd5ac3799262c2d6934713a5069c71e1a', 
    'E4+poBjvuPhESHGbFoD5vMwZZVpFiNT6glNAHGNhs14=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00045

Result

int(1)