INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '81cf934503abb1ce89108dcd64cea21735fd1f744815e29fe1faa88af1da6826', 
    'SV8OvL1QDgV9KID9ltyXRO3nMim2JBB3KZv8Sr21Opg=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00025

Result

int(1)