INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '0321a6c7647dc9328a11d575694805bae6a8514ce0be21c2f9a18f8d6b615fcd', 
    'l35jJ9ohcwGyIKpElqmkMNt+hcnG6lNKasQekzPsCMU=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00038

Result

int(1)