INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'e75f5dae44af266a7ce7448a4f6a5e500705dfb9a751fa0262d905ac6aba0550', 
    '1MVxOQ5ibxuYvmaT2m/ugbT73JPf5kQneM6Ku0HLryM=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00039

Result

int(1)