INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'a734c418adaaace842cf7e7d321b9063b0ebc34eb71eba9816c515f55a0e7f87', 
    '6fHEcM+oOWWpmumRViP5ledXi8ysVWjgRB4RhQ2lKs0=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00043

Result

int(1)