INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '4c946e38d666b76e04aed72cf1a1dc1349f1eb1b0e28bdeea9b3f94500bd8577', 
    'ekhun6uPMw6KcCPu1sjT9aEbwpWmhXR7Uq/ojm7jT7A=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00034

Result

int(1)