INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '1543187efe16decd4d7499f3655a046431c3c837a3c82f41c19ded50daa8978c', 
    '+lqsUK6h9DzeiiBoD8jC3MRILQy1l6opXW2R+X1sGA8=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00038

Result

int(1)