INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'cbcdfb8676912bec6a701509b55c2c6795d22bac2ab9f706dda7711b7100b82c', 
    'ext1Ow+Icw0M3s91jpO59rccn9cSif3Op4MwhUfYm4E=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00027

Result

int(1)