INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '1955021e29b98ea5f66201202f96efce14a7f52debd3aee03f0eb73e273bcdb8', 
    'kW8FAJfCDWTL6o5Brf/Kdr99cvHTdT9iDOTFQwUDvm4=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00025

Result

int(1)