INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '21c58e77d2352628b5829c29ef53c8045f0b548dd08c006af4a5cffce66122d4', 
    '7R91dtqzSgc7WpTqhMWcS/ombqv81FJXOF6upr9WjoI=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00030

Result

int(1)