INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '15ecaf173fb39b5558e7d279b0a8ffe784548edee403d54956b0c87f52de1485', 
    'mm1trAVkFSYQbaJF5WiQVnR+VdgjqVDZ8+opBrVqiIs=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00020

Result

int(1)