INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '21b3542ab157b7c24bd5cd0b08941e5a7c8b2d01bf16d4a755e78467abc8fe8d', 
    'TJHnjO5AV8OTLZfTt85sqTYkBNs9P3vXMRRzp42Okyw=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00024

Result

int(1)