INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '539be991d6e0ac86433883c4e77b5aef0bc3b46f8d3d792638efd18b932c812b', 
    'LLT0yVZAWJgsZSQeUwd7cP66Jwn1N87SHIof1gfwvNs=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00042

Result

int(1)