INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'f7976d846673823b066409c2e80cf2de59c775a1832fbd0acc88190fdabfd142', 
    'HVLFIj69sdYc3xw+wphRFQbgNIKt4Yp5undqPaSGFkk=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00033

Result

int(1)