INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '1878650004b7e9478c09a1a808564322ea810b9dca682c713f3eddb79f625b25', 
    'Vehldy3p+TT2UNhx38g5sl6M4s6G2OTi7mccQmzTDyc=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00031

Result

int(1)